2 * Copyright (c) 1998 Daniel Eischen <eischen@vigrid.com>.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Daniel Eischen.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY DANIEL EISCHEN AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 #include "namespace.h"
36 #include <sys/types.h>
37 #include <sys/rtprio.h>
40 #include "un-namespace.h"
42 #include "thr_private.h"
44 __weak_reference(_pthread_getschedparam, pthread_getschedparam);
47 _pthread_getschedparam(pthread_t pthread, int *policy,
48 struct sched_param *param)
50 struct pthread *curthread = _get_curthread();
53 if (policy == NULL || param == NULL)
56 if (pthread == curthread) {
58 * Avoid searching the thread list when it is the current
62 *policy = curthread->attr.sched_policy;
63 param->sched_priority = curthread->attr.prio;
64 THR_UNLOCK(curthread);
67 /* Find the thread in the list of active threads. */
68 else if ((ret = _thr_ref_add(curthread, pthread, /*include dead*/0))
70 THR_THREAD_LOCK(curthread, pthread);
71 *policy = pthread->attr.sched_policy;
72 param->sched_priority = pthread->attr.prio;
73 THR_THREAD_UNLOCK(curthread, pthread);
74 _thr_ref_delete(curthread, pthread);